, 2007 以硝酸盐为原料、柠檬酸为阻隔剂、EDTA为络合剂经溶胶．凝胶法制备SrBi2O4，并主要考察热处理温度对SrBi2O4晶体结构、光吸收性能以及可见光光催化活性等性能的影响。采用X射线粉末衍射仪、紫外可见分光光度计、电化学工作站、比表面测定仪、差热．热重联用仪对SrBi2O4粉体的物理化学性质进行了表征，通过亚甲基兰在可见光光照下的光催化降解来表征其可见光催化活性。结果表明：SrBi2O4的吸收带边位于可见光区域，且随热处理温度升高而红移；其可见光活性随热处理温度升高而增大。800 ...
刘良军 +4 more
core
[A Transformer-based multimodal model for predicting hospital-acquired infections using imaging and clinical laboratory data]. [PDF]
Nan Fang Yi Ke Da Xue Xue BaoZhang M +7 more
europepmc +1 more source
[Research progress in artificial intelligence for the diagnosis and management of diseases in preterm infants]. [PDF]
Zhongguo Dang Dai Er Ke Za ZhiYuan Y, Tang LH, Guan LR.
europepmc +1 more source
, 2014 采用微波加热的方法,利用硅坑偶联剂KH-550开展对水处理应用中易于降解的丝瓜络进行表面改性的研究。拟通过减少纤维表面的羟基,以降低丝瓜络的亲水性,达到提高纤维耐微生物腐蚀性、延长使用寿命的目的。结果表明,碱预处理对丝瓜络的吸湿性能影响显著(P 微波处理时间>NaOH含量 > 浸泡时间;优化条件为:NaOH和KH-550的质量分数分别为2%和1%,浸泡和微波反应时间分别为30 min和180 ...
贺锋 +5 more
core
[Effectiveness analysis of using an orthopedic broken screw hollow saw in management of accidentally sutured surgical drains]. [PDF]
Zhongguo Xiu Fu Chong Jian Wai Ke Za ZhiZhu B, Wang W, Zhang M, Jiang Q.
europepmc +1 more source
一种全高清视频信号处理电路,包括：一除静电、滤波电路,该电路去除输入视频信号中的高频噪声和静电干扰；一信号分离电路,其输入端与除静电、滤波电路的输出端连接,该电路实现模拟视频信号中同步信号和图像信号的分离和数字化；一视频信号处理电路,其输入端与信号分离电路的输出端连接,该电路实现用户对视频特效处理的要求,将原视频进行特定的变换处理；一视频合成、输出电路,其输入端与视频信号处理电路的输出端连接,该电路实现对转换后视频向模拟信号的转换 ...
王国华 +3 more
core
[Hierarchical attention-driven multiple instance learning for clear cell renal cell carcinoma grading and staging in digital pathology]. [PDF]
Nan Fang Yi Ke Da Xue Xue BaoXu J, Mao Y, Zhang Y.
europepmc +1 more source
[Double-layer ceramic technique for restoring severely discolored nonvital maxillary anterior teeth: a case report]. [PDF]
Hua Xi Kou Qiang Yi Xue Za ZhiChen J, Yin L.
europepmc +1 more source
[Preface to the column: cognition and practice of endodontic microsurgery]. [PDF]
Hua Xi Kou Qiang Yi Xue Za ZhiHuang D, Wang X, Huang Z, Ye L.
europepmc +1 more source
[Cluster-guided adaptive Transformer for muscle fatigue prediction]. [PDF]
Sheng Wu Yi Xue Gong Cheng Xue Za ZhiFan B, Bao X, Ding L, Wu J.
europepmc +1 more source